When was Chlorine discovered?
In the ancient times a common compound of chlorine and sodium chloride was used. Jan Baptist van Helmont who was the Belgian chemist and physician recognized chlorine as a gas… Read more »
When was Aqualung invented?
In the year 1943, Jacques Cousteau and Emile Gagnan invented the aqualung. It is trademark equipment that allows the divers to breathe under water. The divers wear the oxygen cylinder… Read more »
When was the modern yoyo invented?
The Yo-yo Manufacturing Company was started in 1928 by Filipino-American Pedro Flores in Sant Barbara, California in the United States and started producing yoyo toys in the United States. The… Read more »
When was the Synthesizer invented?
Elisha Gray in the year 1876 invented the first electric synthesizer. The first programmable synthesizer called as RCA Mark 2 Sound Synthesizer was developed in 1958 by the Columbia-Princeton Electronic… Read more »
When was the file cabinet invented?
In the year 1898, Edwin G. Seibels invented the modern vertical filing cabinet in the United States. The use of file cabinets is to keep paper data safe and easy… Read more »
When was the first Internal Pacemaker invented?
The first cardiac pacemaker was invented in the year 1950 by Canadian John Hopps. In the year 1958, Wilson Greatbatch invented the first implantable pacemaker. The internal pacemaker is a… Read more »
When was E-mail invented?
In late 1971, the first APPARENT email application was developed by Ray Tomlinson who was an American computer engineer and is considered as the Father of email. In the second… Read more »
When was TiVo invented?
In the year 1999, TiVo was introduced by TiVo Inc and developed by Mike Ramsey and Jim Barton. It is the digital video recorder in which a user records the… Read more »
When was Vulcanized rubber discovered?
In the year 1839, vulcanized rubber was invented by an American Charles Goodyear and on 15th June 1844 he received a patent. Vulcanization is a chemical process that is performed… Read more »
When was the Dell computers invented?
Michael Dell in 1984 created a company PC’s Limited when he was a student at Texas University at Austin in the United States. The first computer of its own design… Read more »